Home / 126,054.18-173,999.34-112,602.06

Finding the Fourth Proportional to 126,054.18, 173,999.34 and 112,602.06

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Solution

The fourth proportional to 126,054.18, 173,999.34 and 112,602.06 is: 155,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,054.18 : 173,999.34 = 112,602.06 : x
  2. Step 2: Convert to fraction form
    126,054.18/173,999.34 = 112,602.06/x
  3. Step 3: Cross multiply
    126,054.18x = 173,999.34 × 112,602.06
  4. Step 4: Simplify right side
    126,054.18x = 19,592,684,122.64
  5. Step 5: Solve for x
    x = 19,592,684,122.64/126,054.18
  6. Step 6: Final answer
    x = 155,430.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.